Baleaf Men's Quick-Dry Lightweight Pace Running Shorts Black, army green, red, navy, gray: 95% Polyester/5% Spandex; Neon yellow, neon yellow, royal blue 100% Polyester Lightweight and stretchy fabric wicks sweat away and helps keep you dry and comfortable Built-in briefs for comfort and support Interior drop-in pocket at waist for convenient storage Split-leg design for enhanced range of motion Elastic waistband for a snug, adjustable fit . Reflective elements keeps you visible in low light